102231127213 has 2 divisors, whose sum is σ = 102231127214. Its totient is φ = 102231127212.

The previous prime is 102231127211. The next prime is 102231127319. The reversal of 102231127213 is 312721132201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84985659529 + 17245467684 = 291523^2 + 131322^2 .

It is an emirp because it is prime and its reverse (312721132201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102231127213 - 2¹ = 102231127211 is a prime.

Together with 102231127211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102231127211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51115563606 + 51115563607.

It is an arithmetic number, because the mean of its divisors is an integer number (51115563607).

Almost surely, 2^102231127213 is an apocalyptic number.

It is an amenable number.

102231127213 is a deficient number, since it is larger than the sum of its proper divisors (1).

102231127213 is an equidigital number, since it uses as much as digits as its factorization.

102231127213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 102231127213 its reverse (312721132201), we get a palindrome (414952259414).

The spelling of 102231127213 in words is "one hundred two billion, two hundred thirty-one million, one hundred twenty-seven thousand, two hundred thirteen".